... 409L, 904L, 410, 430,4Cr13.Tianjin development zone Ganghua Co.,Ltd which was established in 2006 had developed rapidly .At ... ,Mirror,Vibration,Bead Blast,EmbossedThe stainless steel pipestandardASTM,GBmaterial201,202,301,304,316,316L,316LN,317,317L,309,309S, ... steel pipeSurface treatmentPolishing or notThe stainless steel barstandardASTM,GBmaterial201,202,301,304,316,316L,316LN,317,317L,309,309S, ...